<template>
    <div class="login-wrap">
        <div class="ms-login">
            <div class="ms-title">浦东新区教育局工作监管平台</div>
            <el-form :model="form" :rules="rules" ref="form" label-width="0px" class="ms-content"
                     @submit.native.prevent>
                <el-form-item prop="userName">
                    <el-input v-model="form.userName" placeholder="用户名" @keyup.enter.native="submitForm"></el-input>
                </el-form-item>
                <el-form-item prop="password">
                    <el-input type="password" placeholder="密码" v-model="form.password" @keyup.enter.native="submitForm">
                    </el-input>
                </el-form-item>
                <div class="login-btn">
                    <el-button type="primary" @click="submitForm">登录</el-button>
                </div>
                <!--<p class="login-tips">Tips : 用户名和密码随便填。</p>-->
            </el-form>
        </div>
    </div>
</template>

<script>
    import qs from 'qs';

    export default {
        data: function () {
            return {
                form: {
                    userName: '',
                    password: '',
                    rememberMe: false,
                },
                rules: {
                    userName: [
                        {required: true, message: '请输入用户名', trigger: 'blur'},
                        {min: 4, max: 16, message: '长度在 4 到 16 个字符', trigger: 'blur'},
                        {validator: this.verify.isUserName, trigger: 'blur'}
                    ],
                    password: [
                        {required: true, message: '请输入密码', trigger: 'blur'},
                        {min: 6, max: 16, message: '长度在 6 到 16 个字符', trigger: 'blur'}
                    ]
                }
            }
        },
        methods: {
            submitForm() {
                //发起一个会话失效事件
                this.$bus.$emit(this.$env.TOKEN_INVALID);
                //参数验证
                let verify = true;
                this.$refs.form.validate((valid) => {
                    verify = valid && verify;
                });
                if (!verify) {
                    return;
                }
                //登录遮罩，最多持续3秒
                const loading = this.$loading({
                    lock: true,
                    text: 'Loading',
                    spinner: 'el-icon-loading',
                    background: 'rgba(0, 0, 0, 0.7)'
                });
                setTimeout(() => {
                    loading.close();
                }, 3000);

                // let param = {
                //     'userName': this.form.userName,
                //     'password': this.form.password,
                //     "rememberMe":1
                //     // 'endpoint': 'pc'
                // };
                let param = {
                    'userName': this.form.userName,
                    'password': this.form.password,
                    "rememberMe":1
                };

                //提交表单
                this.$axios.post( "/edu_web/auth/login", param ).then(res => {
                    loading.close();
                    if (!res.headers.token) {
                        this.$message.error('账号或密码错误');
                        return;
                    }

                    // 发布登录成功事件
                    if (res.headers.token) {
                        let emitData = Object.assign({}, {
                            userName: this.form.userName,
                            token: res.headers.token,
                            tokenType: 'Bearer'
                        });

                        this.$bus.$emit(this.$env.LOGIN_SUCCESS, emitData);
                        return;
                    }

                    //登录失败
                    this.$message.error('登录失败');

                }).catch(function (error) {
                    loading.close();
                    if (error.response) {
                        // 请求已发出，但服务器响应的状态码不在 2xx 范围内
                        this.$alert("【" + error.response.status + "】请求出错了" + JSON.stringify(error.response.data));
                    } else {
                        this.$alert("请求出错了：" + error.message);
                    }
                    return Promise.reject(error);
                });

            }
        }
    }
</script>

<style scoped>
    .login-wrap {
        position: relative;
        width: 100%;
        height: 100%;
        background-size: 100%;
    }

    .ms-title {
        width: 100%;
        line-height: 50px;
        text-align: center;
        font-size: 20px;
        color: #fff;
        border-bottom: 1px solid #ddd;
    }

    .ms-login {
        position: absolute;
        left: 50%;
        top: 50%;
        width: 350px;
        margin: -190px 0 0 -175px;
        border-radius: 5px;
        background: rgba(255, 255, 255, 0.3);
        overflow: hidden;
    }

    .ms-content {
        padding: 30px 30px;
    }

    .login-btn {
        text-align: center;
    }

    .login-btn button {
        width: 100%;
        height: 36px;
        margin-bottom: 10px;
    }

    .login-tips {
        font-size: 12px;
        line-height: 30px;
        color: #fff;
    }
</style>